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Extrusion freeforming of millimeter-wave electromagnetic bandgap(EBG)photonic crystals

Extrusion freeforming of millimeter-wave electromagnetic bandgap(EBG)photonic crystals
Extrusion freeforming of millimeter-wave electromagnetic bandgap(EBG)photonic crystals
Extrusion freeforming can be used for the rapid prototyping of millimeter-wave electromagnetic bandgap (EBG) structures. In this work, an alumina-polymer paste with a relatively high volatility solvent (propanol) was used and the characteristics of the ceramic paste, particularly the rheological features are described. The advantage of high volatility solvent is that the viscosity and elastic modulus of the paste are increased sharply as the solvent evaporates. Thus, the rigidity of the extruded filament is quickly increased as a small amount of solvent evaporates. Finally, by employing this procedure, different EBG structures such as 2-D, 3-D woodpile and aperiodic structures were fabricated and their bandgaps were measured. The experimental results show that extrusion freeforming is a relatively simple and easy method to fabricate these woodpile structures with a bandgap in the 90-110 GHz region
electromagnetic bandgap (EBG) crystal
1007-0214
168 - 174
Lu, Xuesong
e3eb4386-7dc9-417e-bd5c-bbdec78f7ec5
Lee, Yoonjae
07298a68-0ff0-4a07-a4de-c4f5a6e0cd64
Yang, Shoufeng
e0018adf-8123-4a54-b8dd-306c10ca48f1
Hao, Yang
8450eaa4-843c-4b86-b951-b413942d4453
Evans, Julian RG
3bfd4eb9-7a29-4164-8966-937df60160cb
Parini, Clive G
b60a85b9-0398-4699-a390-049ed3f2f884
Lu, Xuesong
e3eb4386-7dc9-417e-bd5c-bbdec78f7ec5
Lee, Yoonjae
07298a68-0ff0-4a07-a4de-c4f5a6e0cd64
Yang, Shoufeng
e0018adf-8123-4a54-b8dd-306c10ca48f1
Hao, Yang
8450eaa4-843c-4b86-b951-b413942d4453
Evans, Julian RG
3bfd4eb9-7a29-4164-8966-937df60160cb
Parini, Clive G
b60a85b9-0398-4699-a390-049ed3f2f884

Lu, Xuesong, Lee, Yoonjae, Yang, Shoufeng, Hao, Yang, Evans, Julian RG and Parini, Clive G (2009) Extrusion freeforming of millimeter-wave electromagnetic bandgap(EBG)photonic crystals. Tsinghua Science and Technology, 14 (Supplement 1), 168 - 174. (doi:10.1016/S1007-0214(09)70087-2).

Record type: Article

Abstract

Extrusion freeforming can be used for the rapid prototyping of millimeter-wave electromagnetic bandgap (EBG) structures. In this work, an alumina-polymer paste with a relatively high volatility solvent (propanol) was used and the characteristics of the ceramic paste, particularly the rheological features are described. The advantage of high volatility solvent is that the viscosity and elastic modulus of the paste are increased sharply as the solvent evaporates. Thus, the rigidity of the extruded filament is quickly increased as a small amount of solvent evaporates. Finally, by employing this procedure, different EBG structures such as 2-D, 3-D woodpile and aperiodic structures were fabricated and their bandgaps were measured. The experimental results show that extrusion freeforming is a relatively simple and easy method to fabricate these woodpile structures with a bandgap in the 90-110 GHz region

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More information

Published date: June 2009
Keywords: electromagnetic bandgap (EBG) crystal
Organisations: Engineering Mats & Surface Engineerg Gp

Identifiers

Local EPrints ID: 165031
URI: https://eprints.soton.ac.uk/id/eprint/165031
ISSN: 1007-0214
PURE UUID: a34503bd-5118-4290-9226-a90e657e2178
ORCID for Shoufeng Yang: ORCID iD orcid.org/0000-0002-3888-3211

Catalogue record

Date deposited: 08 Oct 2010 08:35
Last modified: 06 Jun 2018 12:33

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Contributors

Author: Xuesong Lu
Author: Yoonjae Lee
Author: Shoufeng Yang ORCID iD
Author: Yang Hao
Author: Julian RG Evans
Author: Clive G Parini

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